Triple
T12728854
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Pennsylvanian |
E304177
|
entity |
| Predicate | routeEnd |
P390
|
FINISHED |
| Object |
Pittsburgh station
Pittsburgh station is a historic intercity rail terminal in Pittsburgh, Pennsylvania, serving Amtrak trains and connecting the city to major regional and national routes.
|
E1001076
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Pittsburgh station | Statement: [Amtrak Pennsylvanian, routeEnd, Pittsburgh station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pittsburgh station Context triple: [Amtrak Pennsylvanian, routeEnd, Pittsburgh station]
-
A.
Pittsburg/Bay Point station
Pittsburg/Bay Point station is a rapid transit station in Contra Costa County, California, serving as a terminus on the Bay Area Rapid Transit (BART) system.
-
B.
Erie station
Erie station is a subway station in Philadelphia, Pennsylvania, serving the SEPTA Broad Street Line.
-
C.
Wheeling station
Wheeling station is a commuter rail stop in Wheeling, Illinois, serving passengers on Metra’s North Central Service line in the Chicago metropolitan area.
-
D.
Swissvale railroad station
Swissvale railroad station was a former passenger rail station that served as a key transportation hub for the borough of Swissvale, Pennsylvania.
-
E.
Bowling Green station
Bowling Green station is a New York City Subway station in Lower Manhattan serving the 4 and 5 trains near Battery Park and the Financial District.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Pittsburgh station Triple: [Amtrak Pennsylvanian, routeEnd, Pittsburgh station]
Generated description
Pittsburgh station is a historic intercity rail terminal in Pittsburgh, Pennsylvania, serving Amtrak trains and connecting the city to major regional and national routes.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pittsburgh station Target entity description: Pittsburgh station is a historic intercity rail terminal in Pittsburgh, Pennsylvania, serving Amtrak trains and connecting the city to major regional and national routes.
-
A.
Pittsburg/Bay Point station
Pittsburg/Bay Point station is a rapid transit station in Contra Costa County, California, serving as a terminus on the Bay Area Rapid Transit (BART) system.
-
B.
Erie station
Erie station is a subway station in Philadelphia, Pennsylvania, serving the SEPTA Broad Street Line.
-
C.
Wheeling station
Wheeling station is a commuter rail stop in Wheeling, Illinois, serving passengers on Metra’s North Central Service line in the Chicago metropolitan area.
-
D.
Swissvale railroad station
Swissvale railroad station was a former passenger rail station that served as a key transportation hub for the borough of Swissvale, Pennsylvania.
-
E.
Bowling Green station
Bowling Green station is a New York City Subway station in Lower Manhattan serving the 4 and 5 trains near Battery Park and the Financial District.
- F. None of above. chosen
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69d7bdf1426c8190a4402e1c4cdec33a |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d964172490819080cd022ff8290b6e |
completed | April 10, 2026, 8:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f67c8a4b7c8190a514b623a7364fd7 |
completed | May 2, 2026, 10:36 p.m. |
| NEDg | Description generation | batch_69f67d663fd08190a00b30a7ff260c70 |
completed | May 2, 2026, 10:40 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f67e0f48e4819085905564f5540f37 |
completed | May 2, 2026, 10:43 p.m. |
Created at: April 9, 2026, 5:25 p.m.